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NNNLLL54

1); ; (2x-1)^2=2x-1\\(2x-1)^2-(2x-1)=0\\(2x-1)cdot (2x-1-1)=0\\(2x-1)cdot (2x-2)=0; ; to ; ; ; x_1=frac{1}{2}; ; ,; ; x_2=1\\\2); ; (x-3)^2=4(x-3)\\(x-3)^2-4, (x-3)=0\\(x-3)cdot (x-3-4)=0\\(x-3)(x-7)=0; ; to ; ; ; x_1=3; ,; ; x_2=7\\\3); ; 4, (x-3)^2=(2x+6)^2; ; ,; ; ; 4, (x-3)^2=2^2(x+3)^2\\4(x-3)^2-4(x+3)^2=0\\4, Big ((x-3)^2-(x+3)^2Big )=0\\4, Big ((x-3)-(x+3)Big )Big ((x-3)+(x+3)Big )=0; |:4\\-6cdot 2x=0; ; to ; ; ; x=0

4); ; (3x+4)^2=3(x+4)\\9x^2+24x+16=3x+12\\9x^2+21x+4=0; ; ,; ; D=297\\x-1=frac{-21-sqrt{297}}{18}; ; ,; ; x_2=frac{-21+sqrt{297}}{18}

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